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High-Precision Eigenvalue Bound for the Laplacian with Singularities - MaRDI portal

High-Precision Eigenvalue Bound for the Laplacian with Singularities (Q2799568)

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High-Precision Eigenvalue Bound for the Laplacian with Singularities
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    High-Precision Eigenvalue Bound for the Laplacian with Singularities (English)
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    12 April 2016
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    eigenvalue problem
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    elliptic operator
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    finite element method
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    verified computation
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    Lehmann-Goerisch's theorem
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    numerical example
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    Laplacian
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    algorithm
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    eigenfunction
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    interval arithmetic
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    rounding error
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